methodoverriding

/**
 * parent class
 */
package com.training;

/**
 * @author arun
 *
 */
public class Arun {

int i;
	  int j;
	  
	  Arun(int a,int b){
		  i = a;
		  j = b;
	  }
	  void show(){
		  System.out.println("i and j : " +i +"  " +j);
	  }
	  
	  void sum(){
		  System.out.println("sum of i and j is: " +(i+j));
	  }
	  void multiplication(){
		  System.out.println("multiplication of i and j is: " +(i*j));
	  }
	  
}

/**
 * 
 */
package com.training;

/**
 * @author arun
 *
 */
public class Kiran extends Arun {

int k;
	Kiran(int a,int b,int c){
		super(a,b);
		k = c;
	}
	// overrides show() in superclass
	void show(){
		System.out.println("k: " +k);
	}
	
	// overrides sum()in superclass
	void sum(){
		System.out.println("sum of i j and k is: " +(i+j+k));
	}
	
	public static void main(String[] args) {
		Kiran k1 = new Kiran(1,2,3);
		Arun a1 = new Arun(2,10);
		k1.show();
		a1.sum();
		k1.sum();
	    k1.multiplication();
	    a1.multiplication();

}

}
/* output
k: 3
sum of i and j is: 12
sum of i j and k is: 6
multiplication of i and j is: 2
multiplication of i and j is: 20
*/

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